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United States Patent | 5,168,149 |
Dvorkis ,   et al. | December 1, 1992 |
High speed scanning arrangements in scanners for reading bar code symbols by oscillating a scanner component mounted on an arm of an asymmetrical U-shaped spring in single or multi-axis scan patterns.
Inventors: | Dvorkis; Paul (Stony Brook, NY); Shepard; Howard (Great Neck, NY); Bard; Simon (Stony Brook, NY); Katz; Joseph (Stony Brook, NY); Barkan; Edward (Setauket, NY) |
Assignee: | Symbol Technologies, Inc. (Bohemia, NY) |
Appl. No.: | 520464 |
Filed: | May 8, 1990 |
Current U.S. Class: | 235/462.43; 235/470 |
Intern'l Class: | G06K 007/10 |
Field of Search: | 235/462,472,470,467 350/6.1-6.6 359/198,199,212,223,224,225 |
1202446 | Oct., 1916 | Speed | 310/38. |
1552186 | Sep., 1925 | Anderson | 73/653. |
1800601 | Apr., 1931 | Centeno | 358/208. |
1873926 | Aug., 1932 | Centeno | 358/208. |
2971054 | Feb., 1961 | Holt, Jr. | 358/232. |
2989643 | Jun., 1961 | Scanlon | 358/206. |
3087373 | Apr., 1963 | Poor et al. | 250/230. |
3532408 | Oct., 1970 | Dostal | 359/199. |
3642343 | Feb., 1972 | Tchejeyan et al. | 350/6. |
3981556 | Sep., 1976 | Sabatelli et al. | 339/275. |
3981566 | Sep., 1976 | Frank et al. | 359/224. |
3998092 | Dec., 1976 | Maccabee | 359/224. |
4021096 | May., 1977 | Dragt | 350/6. |
4175832 | Nov., 1979 | Umeki et al. | 350/285. |
4199219 | Apr., 1980 | Suzuki et al. | 358/75. |
4251798 | Feb., 1981 | Swartz et al. | 235/462. |
4256364 | Mar., 1981 | Minoura et al. | 350/6. |
4369361 | Jan., 1983 | Swartz et al. | 235/470. |
4387297 | Jun., 1983 | Swartz et al. | 235/472. |
4409470 | Oct., 1983 | Shepard et al. | 235/472. |
4496831 | Jan., 1985 | Swartz et al. | 235/467. |
4593186 | Jun., 1986 | Swartz et al. | 235/472. |
4632501 | Dec., 1986 | Glynn | 350/6. |
4705365 | Nov., 1987 | Wakita et al. | 350/487. |
4732440 | Mar., 1988 | Gadhok | 350/6. |
4808804 | Feb., 1989 | Krichever et al. | 235/470. |
4816660 | Mar., 1989 | Swartz et al. | 235/462. |
4816661 | Mar., 1989 | Krichever et al. | 235/472. |
4871904 | Oct., 1989 | Metlitsky et al. | 235/470. |
4902083 | Feb., 1990 | Wells | 350/6. |
4919500 | Apr., 1990 | Paulsen | 350/6. |
4974918 | Dec., 1990 | Delacue et al. | 350/6. |
Foreign Patent Documents | |||
2175705 | Dec., 1986 | GB. |
IBM Technical Disclosure Bulletin, W. L. Grabowski and R. J. Wohl, vol. S, No. 5, Oct. 1962, p. 78. Reich, "The Use of Electro-Mechanical Mirror Scanning Devices," SPIE vol. 84, Laser Scanning Components & Techniques, pp. 47-55 (1976). |